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255550132200 = 233521179895507
BaseRepresentation
bin1110110111111111111…
…0011000111111101000
3220102121201122210012010
43231333332120333220
513141331313212300
6313221554115520
724314525166126
oct3557776307750
9812551583163
10255550132200
1199418429770
124163b27bba0
131b137ba619c
14c523998916
1569aa1dca50
hex3b7ff98fe8

255550132200 has 384 divisors, whose sum is σ = 885157632000. Its totient is φ = 60469094400.

The previous prime is 255550132177. The next prime is 255550132231. The reversal of 255550132200 is 2231055552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46401847 + ... + 46407353.

It is an arithmetic number, because the mean of its divisors is an integer number (2305098000).

Almost surely, 2255550132200 is an apocalyptic number.

255550132200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255550132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442578816000).

255550132200 is an abundant number, since it is smaller than the sum of its proper divisors (629607499800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255550132200 is a wasteful number, since it uses less digits than its factorization.

255550132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 255550132200 its reverse (2231055552), we get a palindrome (257781187752).

The spelling of 255550132200 in words is "two hundred fifty-five billion, five hundred fifty million, one hundred thirty-two thousand, two hundred".